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Characteristics of Formaldehyde Concentrations in the Underground Spaces in Gyungnam Province  

Ha Kwon Chul (Department of Health Science & Biochemistry, Changwon National University)
Publication Information
Journal of Environmental Health Sciences / v.30, no.5, 2004 , pp. 353-357 More about this Journal
Abstract
The purpose of this research is to characterize formaldehyde as trace toxic air pollutant in the underground spaces in Gyungnam province. Air samples of formaldehyde were taken in the three underground spaces for ten months from April 2003 to January 2004. The IAQ(Indoor Air Quality) of underground spaces were controled using central ventilation(supply/exhaust) system. The levels of GM of airborne formaldehyde concentrations in three sampling spaces were well below applicable standards, Korean Ministry of Environment, 0.1 ppm. However, some sample of airborne formaldehyde concentrations in underground spaces 'B' and 'C' were in excess of standard, due to the commercial products in shop, structural material, and the climate having high humidity and temperature. There are statistical differences in levels of formaldehyde by sampling spaces (p=0.086).
Keywords
formaldehyde; indoor air quality; underground spaces; HPLC-UVD; 2,4-dinitrophenylhydrazine(2,4-DNPH);
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